Buprigesic 0.3mg Injection is used to treat moderate to severe pain and opioid (morphine) dependence in patients who are also receiving medical, social, and psychological support. This medicine is not recommended for children below 16 years of age. Buprigesic 0.3mg Injection is generally administered by a healthcare professional. You should not self-administer this medicine at home. The dose and duration will depend on what you are taking it for and how well it helps your symptoms. You should continue receiving the medicine until the doctor tells you it is alright to stop. The most common side effects of this medicine include weakness, drug withdrawal syndrome, anxiety, nervousness, dizziness, headache, sleepiness, diarrhea, nausea, vomiting, and abdominal pain. If any of these side effects persist or get worse, you should let your doctor know. Your doctor may be able to suggest ways of preventing or reducing the symptoms. Before using it, you should let your doctor know if you have any respiratory disorders, problems with your heart, liver, or kidneys. Let your doctor also know about all the other medicines you are taking because they may affect, or be affected by, this medicine. If you are pregnant or breastfeeding, it is important to ask the advice of your doctor before taking this medicine. Your doctor may also regularly monitor your kidney function, liver function, and levels of blood components if you are taking this medicine for long-term treatment.